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NullPointerException when including Chart in Report Viewer
rkedziora
I have seen numerous postings about the NullPointerException in BIRT v2.5 when including a chart in the report and using the report viewer, but no solutions. We are using Tomcat v5.5 and Weblogic v9 with Java 5.
Has any one solved this? I have seen the reference to the Xerces and Xalan jar files to no avail.
java.lang.NullPointerException
at org.eclipse.birt.chart.reportitem.ChartReportItemImpl.doCompatibility(ChartReportItemImpl.java:302)
at org.eclipse.birt.chart.reportitem.ChartReportItemImpl.deserialize(ChartReportItemImpl.java:282)
at org.eclipse.birt.report.model.extension.PeerExtensibilityProvider.initializeReportItem(PeerExtensibilityProvider.java:582)
at org.eclipse.birt.report.model.elements.ExtendedItem.initializeReportItem(ExtendedItem.java:305)
at org.eclipse.birt.report.model.elements.ExtendedItem.doCheck(ExtendedItem.java:642)
at org.eclipse.birt.report.model.elements.ExtendedItem.checkCompatibility(ExtendedItem.java:604)
at org.eclipse.birt.report.model.parser.ModuleParserHandler.handleExtendedItemCompatibility(ModuleParserHandler.java:431)
at org.eclipse.birt.report.model.parser.ModuleParserHandler.endDocument(ModuleParserHandler.java:393)
at org.apache.xerces.parsers.AbstractSAXParser.endDocument(AbstractSAXParser.java:680)
at org.apache.xerces.impl.XMLDocumentScannerImpl.endEntity(XMLDocumentScannerImpl.java:517)
at org.apache.xerces.impl.XMLEntityManager.endEntity(XMLEntityManager.java:1698)
at org.apache.xerces.impl.XMLEntityScanner.load(XMLEntityScanner.java:1527)
at org.apache.xerces.impl.XMLEntityScanner.skipSpaces(XMLEntityScanner.java:1196)
at org.apache.xerces.impl.XMLDocumentScannerImpl$TrailingMiscDispatcher.dispatch(XMLDocumentScannerImpl.java:1089)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:348)
at org.apache.xerces.parsers.DTDConfiguration.parse(DTDConfiguration.java:539)
at org.apache.xerces.parsers.DTDConfiguration.parse(DTDConfiguration.java:595)
at org.apache.xerces.parsers.XMLParser.parse(XMLParser.java:152)
at org.apache.xerces.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1125)
at javax.xml.parsers.SAXParser.parse(SAXParser.java:375)
at org.eclipse.birt.report.model.parser.ModuleReader.readModule(ModuleReader.java:94)
at org.eclipse.birt.report.model.parser.DesignReader.read(DesignReader.java:88)
at org.eclipse.birt.report.model.core.DesignSessionImpl.openDesign(DesignSessionImpl.java:315)
at org.eclipse.birt.report.model.api.SessionHandleImpl.openDesign(SessionHandleImpl.java:294)
at org.eclipse.birt.report.engine.parser.ReportParser.getDesignHandle(ReportParser.java:158)
at org.eclipse.birt.report.engine.api.impl.ReportEngineHelper.openReportDesign(ReportEngineHelper.java:255)
at org.eclipse.birt.report.engine.api.impl.ReportEngine.openReportDesign(ReportEngine.java:589)
at org.eclipse.birt.report.service.ReportEngineService.openReportDesign(ReportEngineService.java:383)
at org.eclipse.birt.report.utility.BirtUtility.getRunnableFromDesignFile(BirtUtility.java:594)
at org.eclipse.birt.report.context.ViewerAttributeBean.getDesignHandle(ViewerAttributeBean.java:654)
at org.eclipse.birt.report.context.ViewerAttributeBean.__init(ViewerAttributeBean.java:231)
at org.eclipse.birt.report.context.BaseAttributeBean.init(BaseAttributeBean.java:233)
at org.eclipse.birt.report.context.ViewerAttributeBean.<init>(ViewerAttributeBean.java:116)
at org.eclipse.birt.report.context.BirtContext.__init(BirtContext.java:44)
at org.eclipse.birt.report.context.BaseContext.<init>(BaseContext.java:69)
at org.eclipse.birt.report.context.BirtContext.<init>(BirtContext.java:30)
at org.eclipse.birt.report.servlet.ViewerServlet.__getContext(ViewerServlet.java:150)
at org.eclipse.birt.report.servlet.BirtSoapMessageDispatcherServlet.doGet(BirtSoapMessageDispatcherServlet.java:151)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
at org.apache.axis.transport.http.AxisServletBase.service(AxisServletBase.java:327)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.eclipse.birt.report.servlet.BirtSoapMessageDispatcherServlet.service(BirtSoapMessageDispatcherServlet.java:122)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at org.eclipse.birt.report.filter.ViewerFilter.doFilter(ViewerFilter.java:68)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:210)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:870)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:685)
at java.lang.Thread.run(Thread.java:595)
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Comments
mwilliams
Hi rkedziora,
Is this with any report with a chart in it? Or just specific reports?
rkedziora
It occurs with any report that has a chart in it. I have multiple reports where it is occuring.
rkedziora
I have been having an issue for a while where reports with charts in them would not render in production, specifically using the WebViewer. I was getting a NullPointerException. The reports worked fine in Eclipse.
I finally found the solution. In the web application web-inf/lib directory we had a different version of the xerces.jar file then the one located in the platform/plugin directory. I moved the org.apache.xerces_2.9.0.v200909240008.jar file into the lib directory, removed the original jar and everything works fine.
hope that helps someone else...
mwilliams
Thanks for the update, rkedziora!